Home / 81,233.76-121,842.56-25,058.64

Finding the Fourth Proportional to 81,233.76, 121,842.56 and 25,058.64

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Solution

The fourth proportional to 81,233.76, 121,842.56 and 25,058.64 is: 37,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,233.76 : 121,842.56 = 25,058.64 : x
  2. Step 2: Convert to fraction form
    81,233.76/121,842.56 = 25,058.64/x
  3. Step 3: Cross multiply
    81,233.76x = 121,842.56 × 25,058.64
  4. Step 4: Simplify right side
    81,233.76x = 3,053,208,910.37
  5. Step 5: Solve for x
    x = 3,053,208,910.37/81,233.76
  6. Step 6: Final answer
    x = 37,585.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.